Cap for a utility box



FIG. 1 is a front perspective view of a cap for a utility box;

FIG. 2 is a top plan view thereof

FIG. 3 is a right elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a left elevation view thereof.

The broken lines showing structure are for the purposes of illustrating environment and form no part of the claimed design. 

CLAIM The ornamental design for a cap for a utility box, as shown and described. 